Duke Realty Corporation, founded in 1972 and located in Cincinnati, is a provider of real estate services through the development, construction, acquisition, asset and property management, and leasing of industrial, office and retail properties. The company performs property construction through its in-house construction company. Duke Construction is one of the largest contractors in the United States, building all Duke-owned buildings and providing construction services to customers throughout the country. The corporation develops office, industrial, retail and health care properties in the areas it serves. It also offers office, industrial and retail properties for sale. Additionally, it offers a building commissioning program for projects, such as fire protection, plumbing, mechanical and electrical systems.